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Alnus viridis ssp. crispa / Carex pensylvanica Shrubland | Southeastern Ecology Working Gro...
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Name: Alnus viridis ssp. crispa / Carex pensylvanica Shrubland Reference: Southeastern Ecology Working Gro... Description: This mainly deciduous shrubland occurs at the highest elevations, greater than 1750 m (5800 feet) in the southern Appalachian Mountains on summit ridges of the Roan Mountain massif. It is dominated by Alnus viridis ssp. crispa, typically 1.5-2 m in height, rarely producing a closed canopy but typically occurring as uniformly spaced clumps about 1 m apart. Rubus allegheniensis is often a codominant with Alnus viridis ssp. crispa. Other shrub species occur with low coverage and include Rhododendron catawbiense, Vaccinium corymbosum, and Crataegus spp. Openings in the shrub canopy are dominated by herbs, mainly Carex pensylvanica and Carex debilis var. rudgei but also may include Danthonia compressa, Deschampsia flexuosa, Viola blanda, Rumex acetosella (exotic), and Athyrium filix-femina ssp. asplenioides. In moister areas, bryophyte cover can be up to 75%, with Polytrichum commune typical. This community can grade into or occur adjacent to high elevation rock outcrop communities, montane grass-dominated communities, high elevation herbaceous seeps, or forests dominated by stunted Fagus grandifolia. It often invades montane grass-dominated communities and may eventually succeed to Rhododendron catawbiense Shrubland (CEGL003818).  Accession Code: VB.CC.19548.ALNUSVIRIDISSSP Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 01-Aug-1994 to: 17-Nov-2014
	status: accepted Community's Parent: Alnus viridis Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Mountain Alder / Pennsylvania Sedge Shrubland   UID: ELEMENT_GLOBAL.2.684436 NatureServe Explorer   Code: CEGL003891   Scientific: Alnus viridis ssp. crispa / Carex pensylvanica Shrubland   Common: Southern Appalachian Alder Bald (convergence) and Synonyms: (undetermined) Alnus viridis ssp. crispa / Carex pensylvanica Shrubland